<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
    <title>全屏分屏登录布局</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            height: 100vh;
            display: flex;
            overflow: hidden;
            background-color: #f4f7fb;
        }

        .left-section {
            flex: 1;
            background: linear-gradient(135deg, hsl(200, 60%, 85%), hsl(340, 70%, 85%));
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: #333;
        }

        .left-section h1 {
            font-size: 40px;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .left-section p {
            font-size: 18px;
            opacity: 0.8;
        }

        .right-section {
            flex: 1;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 40px;
        }

        .login-container {
            width: 100%;
            max-width: 400px;
        }

        .login-container h2 {
            font-size: 28px;
            margin-bottom: 20px;
            color: #333;
            text-align: center;
        }

        .login-container form input {
            width: 100%;
            padding: 12px 40px 12px 12px;
            border: none;
            border-radius: 8px;
            background-color: #f0f4f8;
            font-size: 16px;
            transition: background-color 0.3s ease;
            margin-bottom: 15px;
        }

        .login-container form input:focus {
            outline: none;
            background-color: #e0ecf8;
        }

        .input-group {
            position: relative;
            margin-bottom: 15px;
        }

        .toggle-password {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #888;
            font-size: 16px;
            transition: color 0.3s ease;
        }

        .toggle-password:hover {
            color: #555;
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 10px;
            margin-bottom: 15px;
            font-size: 14px;
        }

        .form-options label {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            white-space: nowrap;
        }

        .form-options input[type="checkbox"] {
            margin: 0;
            transform: scale(1.1);
        }

        .form-options a {
            color: #007bff;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .form-options a:hover {
            color: #0056b3;
        }

        .login-container form button {
            width: 100%;
            padding: 12px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            margin-top: 10px;
        }

        .login-container form button:hover {
            background-color: #0056b3;
        }

        .divider {
            margin: 30px 0;
            position: relative;
            text-align: center;
        }

        .divider::before,
        .divider::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 45%;
            height: 1px;
            background: #ccc;
        }

        .divider::before {
            left: 0;
        }

        .divider::after {
            right: 0;
        }

        .divider span {
            display: inline-block;
            padding: 0 10px;
            background-color: #fff;
            color: #aaa;
            font-size: 14px;
        }

        .social-login {
            display: flex;
            justify-content: space-between;
            gap: 10px;
        }

        .social-btn {
            flex: 1;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: #fff;
            color: #333;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
        }

        .social-btn:hover {
            background-color: #f1f1f1;
        }

        .social-btn i {
            font-size: 18px;
        }

        .register-link {
            text-align: center;
            margin-top: 20px;
            font-size: 14px;
        }

        .register-link a {
            color: #007bff;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s ease;
        }

        .register-link a:hover {
            color: #0056b3;
        }
    </style>
</head>
<body>

<!-- Left Section -->
<div class="left-section">
    <div>
        <h1>欢迎回来！</h1>
        <p>请登录以继续使用我们的服务。</p>
    </div>
</div>

<!-- Right Section -->
<div class="right-section">
    <div class="login-container">
        <h2>登录你的账户</h2>
        <form>
            <input type="text" placeholder="邮箱或用户名" required/>
            <div class="input-group">
                <input id="password" type="password" placeholder="密码" required/>
                <i class="fas fa-eye toggle-password" id="togglePassword"></i>
            </div>

            <div class="form-options">
                <label>
                    <input type="checkbox"/> 记住我
                </label>
                <a href="#">忘记密码？</a>
            </div>

            <button type="submit">登录</button>
        </form>

        <div class="divider"><span>或使用第三方登录</span></div>

        <div class="social-login">
            <button class="social-btn"><i class="fab fa-google"></i> Google</button>
            <button class="social-btn"><i class="fab fa-facebook-f"></i> Facebook</button>
            <button class="social-btn"><i class="fab fa-github"></i> GitHub</button>
        </div>

        <div class="register-link">
            没有账号？<a href="#">立即注册</a>
        </div>
    </div>
</div>

<!-- GSAP Library -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.2/gsap.min.js"></script>
<script>
    document.addEventListener("DOMContentLoaded", function () {
        // 页面初始隐藏
        gsap.set(".left-section, .right-section", {opacity: 0, x: "-100%"});
        gsap.set(".right-section", {x: "100%"});

        // 左右滑入动画
        gsap.to(".left-section", {
            opacity: 1,
            x: 0,
            duration: 1.2,
            ease: "power3.out"
        });

        gsap.to(".right-section", {
            opacity: 1,
            x: 0,
            duration: 1.2,
            delay: 0.3,
            ease: "power3.out"
        });

        // 表单输入项逐个进入
        gsap.from(".login-container form input, .login-container form button", {
            opacity: 0,
            y: 20,
            stagger: 0.2,
            delay: 1.5,
            duration: 0.6,
            ease: "power2.out"
        });

        // 查看密码图标动画
        gsap.from("#togglePassword", {
            opacity: 0,
            scale: 0.5,
            delay: 1.9,
            duration: 0.4,
            ease: "back.out"
        });

        // 表单选项动画
        gsap.from(".form-options", {
            opacity: 0,
            y: 10,
            delay: 1.8,
            duration: 0.4,
            ease: "power2.out"
        });

        // 第三方登录按钮动画
        gsap.from(".social-login > *", {
            opacity: 0,
            y: 20,
            stagger: 0.1,
            delay: 2.2,
            duration: 0.6,
            ease: "power2.out"
        });

        // 注册链接动画
        gsap.from(".register-link", {
            opacity: 0,
            y: 10,
            delay: 2.4,
            duration: 0.4,
            ease: "power2.out"
        });

        // 切换密码可视状态
        const togglePassword = document.querySelector('#togglePassword');
        const password = document.querySelector('#password');

        togglePassword.addEventListener('click', function () {
            const type = password.getAttribute('type') === 'password' ? 'text' : 'password';
            password.setAttribute('type', type);
            this.classList.toggle('fa-eye-slash');
            this.classList.toggle('fa-eye');
        });
    });
</script>
</body>
</html>
